4. Potential energy that depends on height is which type of potential energy?
O gravitational
kinetic
elastic
O
mechanical

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

How many molecules are in 6.0 moles of methane